124144405 has 32 divisors (see below), whose sum is σ = 187269120. Its totient is φ = 76749120.

The previous prime is 124144403. The next prime is 124144417. The reversal of 124144405 is 504441421.

124144405 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 124144405 - 2¹ = 124144403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124144403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47626 + ... + 50164.

It is an arithmetic number, because the mean of its divisors is an integer number (5852160).

Almost surely, 2^124144405 is an apocalyptic number.

It is an amenable number.

124144405 is a deficient number, since it is larger than the sum of its proper divisors (63124715).

124144405 is a wasteful number, since it uses less digits than its factorization.

124144405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 124144405 is about 11142.0108149292. The cubic root of 124144405 is about 498.8565939048.

Adding to 124144405 its reverse (504441421), we get a palindrome (628585826).

The spelling of 124144405 in words is "one hundred twenty-four million, one hundred forty-four thousand, four hundred five".